J. M. Diederik Kruijssen

ERC & Emmy Noether Research Group Leader
Astronomisches Rechen-Institut

Heidelberg University


The co-evolution of star clusters and galaxies

The formation and evolution of star cluster populations is strongly influenced by their galactic environment. Using new numerical simulations, we can understand the multi-scale physics.

Figure 2: This image of the Antennae galaxies shows a multitude of bright young star clusters, groups of stars associated with regions of intense star formation. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration.

Figure 1: A movie of two colliding galaxies based on the new simulation (ID 1m11, see the table in either of the papers listed at the bottom of this page), covering 3.3 billion years. The galaxies eventually merge, destroying many of the stellar clusters (visible here as dots) in the process. Their colours reflect the ages of the clusters as indicated by the legend, and each of their sizes reflects the mass of the most massive cluster within that particle. The surface density of the gas is displayed in greyscale. Taken from Kruijssen et al. (2012).